Factory-assembled with all components:
- Housing (volute & cover)
- Impeller
- Seal
About Frame Size:
Through-bolt spacing on a 48 frame motor will be less than 4 inches. A 56 frame
motor's bolts will be spaced more than 4 inches apart.
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How to Determine Spa Pump Plumbing Size
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Pump plumbing sizes are nominal, and not actual outside diameter (OD) of the threaded
intake or discharge. Use a tape measure and check your old pump thread size against
this sizing table for most* spa pump brands:
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Plumbing Size
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Pump Thread O.D. (approx.)
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| 1.5"
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2-3/8"
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| 2.0"
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3"
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| 2.5"
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3-5/8"
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Some brands of hot tub spa pumps (such as Hayward, Jacuzzi, and Sta-Rite) use non-standard
fittings with different dimensions. Please contact our Parts Help desk if you need
assistance with these.